/Engine/Source/Runtime/RenderCore/Public/RenderGraphBuilder.h
Adds a user-defined dependency between two passes. This can be used to fine-tune async compute overlap by forcing a sync point.
void AddPassDependency ( [FRDGPass](API\Runtime\RenderCore\FRDGPass) * Producer, [FRDGPass](API\Runtime\RenderCore\FRDGPass) * Consumer )